.big-link {
    display: flex;
    width: 500px;
    height: 500px;
    align-items: center;
    /*background-color: purple;*/
    /*color: white;*/
    /*text-decoration: none;*/
    /*display: block;*/
    text-align: center;
    font-size: 100px;
    /*cursor: pointer;*/
    /*width: 20px;*/
    /*margin: 0 auto;*/
    /*line-height: 24px;*/
    /*font-size: 20px;*/
    /*height: 100vh;        !**屏幕高度百分百*!*/
}

.big-link a {
    text-decoration: none;
    color: white;
}

a.two-img-a {
    display: block;
    width: 300px;
    height: 100px;
    background-color: deepskyblue;
    text-align: left;
    text-indent: 310px;
    white-space: nowrap;
    overflow: hidden;
    background-image: url(../images/dogalasijia.jpg);
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    transition: all 0.5s;
}

a.two-img-a:hover {
    background-image: url(../images/dog.jpg);
    border-radius: 30px;
}

.s-top-username {
    display: inline-block;
    max-width: 100px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    vertical-align: top;
    margin-top: 3px;
    margin-left: 6px;
    font: 13px/23px 'PingFang SC',Arial,'Microsoft YaHei',sans-serif;
}
.username{
    margin-top: 10px;
}
.s-top-img-wrapper{
    /*margin-right: 10px;*/
    margin-top: 10px;
    margin-left: 10px;
}

.s-top-img-wrapper img {
     /*padding: 2px;*/
     /*width: 24px;*/
     /*height: 24px;*/
     width: 40px;
     height: 40px;
     border-radius: 50%;
    border: purple solid 3px;
 }

.s-top-img-wrapper a {
    text-decoration: none;
    color: #333;
    margin: 0 7px;
}

.s-top-img-wrapper  a:visited {
    color: #771caa;
}
.s-top-username{
    margin-right: 10px;
    margin-top: 10px;
    /*background-color: white;*/
    color: white;
    font-size: .8em;
}
